List of Articles 12-tetrahydrobenzo[a]xanthen-11-one Open Access Article Abstract Page Full-Text 1 - Preparation, characterization and testing the catalytic activity of a new acidic ionic liquid in multicomponent reactions Abdolkarim Zare Elaheh Sharif Azam Arghoon Marzieh Ghasemi Bentolhoda Dehghani Sorayya Ahmad-Zadeh Fatemeh Zarei Open Access Article Abstract Page Full-Text 2 - Triethylamine-bonded sulfonic acid {[Et3N-SO3H]Cl} as an efficient and homogeneous catalyst for the synthesis of 12-aryl-8,9,10,12-tetrahydrobenzo[a]xanthen-11-ones Abdolkarim Zare Roghayyeh Khanivar Maria Merajoddin Masoud Kazem-Rostami Mohammad Mahdi Ahmad-Zadeh Ahmad Reza Moosavi-Zare Alireza Hasaninejad